1 They do their best work at 55ÂºF, but can carry on right down to 0ÂºF. As they eat away at organic materials, they give off a small amount of heat.  Mesophilic - Second wave of microbial activity. Most of the decomposition in a compost pile is mesophilic.
In general, it is thought that implants last approximately 10 years or should be replaced every eight to 10 years. A ruptured saline implant is clinically obvious as the breast will deflate and there will be great asymmetry. A ruptured silicone implant is more difficult to determine and is referred as a silent rupture.
Answers from Sandhya Pruthi, M.D. Ruptured silicone breast implants can cause breast pain or changes in the contour or shape of the breast. However, ruptured silicone breast implants aren't thought to cause breast cancer, reproductive problems or connective tissue disease, such as rheumatoid arthritis. When a silicone breast implant is placed in your body, fibrous tissue called a capsule forms around the implant.